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Metavoltine Mineral Data
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General Metavoltine Information
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 Chemical Formula: |
K4Na4(Fe++,Zn)Fe+++6(SO4)12O2•20(H2O) |
| Composition: |
Molecular Weight = 2,189.12 gm |
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Potassium 7.14 % K 8.61 % K2O |
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Sodium 4.20 % Na 5.66 % Na2O |
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Zinc 1.49 % Zn 1.86 % ZnO |
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Iron 16.58 % Fe 1.64 % FeO / 21.88 % Fe2O3 |
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Hydrogen 1.84 % H 16.46 % H2O |
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Sulfur 17.58 % S 43.89 % SO3 |
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Oxygen 51.16 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K4Na4Fe2+0.5Zn0.5Fe3+6(SO4)12O2�20(H2O) |
| Environment: |
Volcanic exhalations. |
| IMA Status: |
Valid Species (Pre-IMA) 1883 |
| Locality: |
From Vesuvius and Cape Miseno, near Naples, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for "with" and voltine, because is was found associated with voltaite at the original locality. |
| Name Pronunciation: |
Metavoltine + Pronunciation  |
| Synonym: |
ICSD 8270 |
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PDF 29-1043 |
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